Problem
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Customer wants to have complete history of communications to be sent with each service request communication. Communication history can help them the recall all the discussions happened over a period of time and respond accordingly.
This feature is not available in Maximo out of box, neither any easy configuration to do the same.
Solution
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It involves java customization for some email listener classes and communication log. Write comment on this article or email me if you need step by step solution for this.
I would be happy to assist you.